APA (7th ed.) Citation

Sperry, A. (1968). Call it courage. Simon & Schuster Books for Young Readers.

Chicago Style (17th ed.) Citation

Sperry, Armstrong. Call It Courage. New York: Simon & Schuster Books for Young Readers, 1968.

MLA (9th ed.) Citation

Sperry, Armstrong. Call It Courage. Simon & Schuster Books for Young Readers, 1968.

Warning: These citations may not always be 100% accurate.